arc-shape cutting machine
arc generatrix shape roller
three section arc drum-shape coupling
arcarc transform fault
left-lateral arc-arc transform fault
right-lateral arc-arc transform fault
Shape shape-memory titanium-nickel alloy net
AC arc welding power source∥Pulsed arc stabilizer
Beaman stadia arc=Beaman arc
East China Sea and Ryukyu Trench Arc Back-Arc
gas metal arc welding-pulsed arc
high-velocity air-fuel arc(HVAF-ARC)